Method of refining metal alloys
AssigneeBrunel University London
InventorsHari Babu Nadendla, Magdalena Nowak
Life of this patent
Estimating the term…
Abstract
Method of refining metal alloys A method of refining the grain size of (i) an alloy comprising aluminum and at least 3% w/w silicon or (ii) an alloy comprising magnesium, comprises the steps of (a) adding sufficient niobium and boron to the alloy in order to form niobium diboride or Al3Nb or both, or (b) adding niobium diboride to the alloy, or (c) adding Al3Nb to the alloy, or (d) any combination thereof.
Claims6
A method of producing a masterbatch alloy for refining the grain size of a bulk alloy which is (i) an alloy comprising aluminium and at least 3% w/w silicon or (ii) an alloy comprising magnesium, comprising the step of:
- (a) adding sufficient niobium and boron to a portion of an alloy comprising aluminum and at least 3% w/w silicon or (ii) an alloy comprising magnesium in order to form niobium diboride and Al3Nb, to refine the grain size of the alloy.
Dependencies are inferred from the claim text.